26898401 has 8 divisors (see below), whose sum is σ = 27509544. Its totient is φ = 26291200.

The previous prime is 26898397. The next prime is 26898427. The reversal of 26898401 is 10489862.

It can be written as a sum of positive squares in 4 ways, for example, as 8614225 + 18284176 = 2935^2 + 4276^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26898401 - 2² = 26898397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26898461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16001 + ... + 17601.

It is an arithmetic number, because the mean of its divisors is an integer number (3438693).

Almost surely, 2^26898401 is an apocalyptic number.

It is an amenable number.

26898401 is a deficient number, since it is larger than the sum of its proper divisors (611143).

26898401 is a wasteful number, since it uses less digits than its factorization.

26898401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 26898401 is about 5186.3668400914. The cubic root of 26898401 is about 299.6232344312.

The spelling of 26898401 in words is "twenty-six million, eight hundred ninety-eight thousand, four hundred one".